$156+ Cheap flights from O'Hare Intl (ORD) to Harlingen (HRL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HRL
Nov 14 — Nov 211
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Harlingen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from O'Hare Intl to Harlingen
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Last-minute
One-way
Cheapest flights from O'Hare Intl to HarlingenExplore the most affordable flight options available from O'Hare Intl to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
Explore the most affordable flight options available from O'Hare Intl to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:40 pm -
1 stop7h 07m
Tue 11/175:05 am -
1 stop6h 12m
Deal found 10/13![United Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:21 am -
1 stop6h 40m
Tue 11/175:25 pm -
1 stop6h 00m
Deal found 10/13![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:59 am -
1 stop6h 55m
Fri 12/116:41 pm -
1 stop5h 18m
Deal found 10/11![American Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:15 pm -
1 stop5h 33m
Mon 11/91:59 pm -
1 stop7h 41m
Deal found 10/14![United Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:29 am -
1 stop5h 52m
Wed 11/185:25 pm -
1 stop7h 20m
Deal found 10/15![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 am -
1 stop5h 20m
Wed 11/115:05 am -
1 stop7h 24m
Deal found 10/14![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:30 am -
1 stop5h 53m
Fri 11/61:59 pm -
1 stop5h 56m
Deal found 10/14![United Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:51 pm -
1 stop7h 22m
Sun 12/136:41 pm -
1 stop5h 18m
Deal found 10/13![American Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:30 am -
1 stop7h 51m
Thu 11/195:25 pm -
1 stop6h 01m
Deal found 10/13![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 am -
1 stop7h 56m
Thu 11/196:46 pm -
1 stop5h 34m
Deal found 10/13![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:07 pm -
1 stop6h 41m
Fri 10/305:05 am -
1 stop6h 12m
Deal found 10/11![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:59 am -
1 stop7h 21m
Wed 12/26:41 pm -
1 stop5h 18m
Deal found 10/10![American Airlines logo]()
$431
Best flights from O'Hare Intl to HarlingenDiscover carefully curated flight deals from O'Hare Intl to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
Discover carefully curated flight deals from O'Hare Intl to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:30 am -
1 stop7h 51m
Thu 11/195:25 pm -
1 stop6h 01m
Deal found 10/13![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:59 am -
1 stop7h 21m
Wed 12/26:41 pm -
1 stop5h 18m
Deal found 10/12![American Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:30 am -
1 stop7h 53m
Wed 10/285:05 am -
1 stop5h 06m
Deal found 10/11![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
1 stop7h 51m
Sun 11/155:25 pm -
1 stop7h 20m
Deal found 10/12![United Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:45 pm -
2 stops15h 40m
Fri 12/114:39 pm -
1 stop6h 17m
Deal found 10/11![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:30 am -
1 stop5h 53m
Sun 10/255:25 pm -
1 stop7h 20m
Deal found 10/11![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:30 am -
1 stop7h 51m
Mon 11/305:25 pm -
1 stop7h 20m
Deal found 10/14![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:55 am -
1 stop6h 26m
Wed 12/24:39 pm -
2 stops14h 19m
Deal found 10/10![United Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2712:40 pm -
1 stop7h 07m
Mon 11/305:25 pm -
1 stop6h 01m
Deal found 10/10![United Airlines logo]()
$561
Last-minute flights from O'Hare Intl to HarlingenDiscover last-minute flight deals from O'Hare Intl to Harlingen. Data last updated October 15, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Harlingen. Data last updated October 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 am -
1 stop7h 53m
Sun 10/255:05 am -
1 stop5h 06m
Deal found 10/10![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:30 am -
1 stop5h 53m
Fri 11/61:59 pm -
1 stop5h 56m
Deal found 10/14![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:07 pm -
1 stop6h 41m
Fri 10/305:05 am -
1 stop6h 12m
Deal found 10/11![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:15 pm -
1 stop5h 33m
Mon 11/91:59 pm -
1 stop7h 41m
Deal found 10/14![United Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 am -
1 stop5h 20m
Wed 11/115:05 am -
1 stop7h 24m
Deal found 10/14![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:21 am -
1 stop6h 40m
Tue 11/175:25 pm -
1 stop6h 00m
Deal found 10/13![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:29 am -
1 stop5h 52m
Wed 11/185:25 pm -
1 stop7h 20m
Deal found 10/15![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:30 am -
1 stop7h 51m
Thu 11/195:25 pm -
1 stop6h 01m
Deal found 10/13![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 am -
1 stop7h 56m
Thu 11/196:46 pm -
1 stop5h 34m
Deal found 10/13![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:40 pm -
1 stop7h 07m
Tue 11/175:05 am -
1 stop6h 12m
Deal found 10/13![United Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:59 am -
1 stop7h 21m
Wed 12/26:41 pm -
1 stop5h 18m
Deal found 10/10![American Airlines logo]()
$431
One-way flights from O'Hare Intl to HarlingenSearch for one-way flight options from O'Hare Intl to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
Search for one-way flight options from O'Hare Intl to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:20 am -
1 stop7h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$156
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/105:30 am -
2 stops10h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Delta logo]()
$161
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:30 am -
1 stop7h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![United Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/119:30 am -
1 stop6h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Delta logo]()
$170
This Sun Country Air deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/87:00 pm -
1 stop15h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Sun Country Air logo]()
$188
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:21 am -
1 stop6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![United Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:20 am -
1 stop7h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Delta logo]()
$200
This American Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/99:14 am -
Nonstop3h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![American Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/157:30 am -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![United Airlines logo]()
$211
Find flight deals from O'Hare Intl to Harlingen
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (United Airlines) |
One-way from | $156 (Delta) |
Popular in | September |
Cheapest in | March |
Average price | $518 |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Harlingen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 15, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Harlingen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Sat 12/12
6:20 am-1:37 pm
1 stop7h 17m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Sat 11/14
12:40 pm-7:47 pm
1 stop7h 07m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Sat 11/14
6:20 am-1:28 pm
1 stop7h 08m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Sat 4/10
9:30 am-4:16 pm
1 stop6h 46m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Mon 1/11
6:50 am-1:30 pm
1 stop6h 40m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$169
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Mon 4/12
7:45 am-3:34 pm
1 stop7h 49m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Sat 1/9
10:00 am-6:08 pm
1 stop8h 08m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$211
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Tue 12/15
5:45 am-11:14 am
1 stop5h 29m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$211
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Wed 12/9
5:45 am-1:25 pm
1 stop7h 40m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$211
Quickest round-trip
ChicagoHarlingen
ORD Chicago O'Hare Intl - HRL Harlingen Valley Intl
ORDHRL
Chicago O'Hare Intl
Thu 11/12
10:34 am-4:01 pm
1 stop5h 27m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Harlingen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Harlingen in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Harlingen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Harlingen
Have a flexible travel schedule? Discover the best time to fly to Harlingen from O'Hare Intl with our price prediction graph.
ORD-HRL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Harlingen
Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated October 15, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from Chicago O'Hare Intl Airport to Harlingen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$292 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$233 | Average$367 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$255 | Average$359 | FlexibilityNo cancel fee | On-time69% |